11 78 533 Replacing right oxygen control sensor (S85)

WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 7 030

See ENGINE - SPECIAL TOOLS .

WARNING: Scalding hazard!
Only perform these tasks after exhaust system has cooled down.

Necessary preliminary tasks:

Read out fault memory in Digital Motor Electronics (DME).
Remove transmission underbody protection.

Unclip oxygen sensor cable (1).

Release screws (2).

Fig 1: Identifying Oxygen Sensor Cable And Screws

Courtesy of BMW OF NORTH AMERICA, INC.